On Jan. 26, 1948, a man claiming to be a public health official walked into a branch of Teikoku Ginko (Imperial Bank) in Tokyo’s Shiinamachi district and told 16 clerks and customers dysentery had broken out in the neighborhood. He told them to drink ...

Sadamichi Hirasawa was sentenced to death in part because of a one-off admission that he killed 12 people with poison and took money from a branch of Teikoku Ginko (Imperial Bank) in Tokyo in 1948. The Teigin Incident, as the crime became known, was ...

The curtain has effectively come down on the most mysterious mass-murder case in postwar Japan, with numerous questions left unanswered. Takehiko Hirasawa, 54, who sought a posthumous retrial for his adoptive father, Sadamichi Hirasawa, was recently found dead in a home in Suginami Ward, ...